# SDR UALA2011082904602

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 28, 2011
- Submitted: September 6, 2011
- Operation: Air carrier
- Aircraft: [N197UA](https://openairdocs.org/aircraft/N197UA), registered now
- Make and model: Boeing 747422
- Aircraft serial: 26901
- Aircraft time: 57,256 hours, 6,827 cycles
- Engine: Pwa PW4056
- System (JASC): [2530 · Buffet/Galleys](https://openairdocs.org/jasc/2530)
- Part: Valve
- Part number: 3887315
- Condition: Cracked
- Location: Galley
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011082904602

## Discrepancy

AFT GALLEY POSITON 500 AND 506 UPPER CHILLER VALVE ASSY (028-5001) ARE CRACKED.  CHILLERS C51 AND C52 INOP.  CBS PULLED.  INF-  :2EA 028-5001 ON EXP N6599.  REPLACED VALVE ASSY, OPS CHKD OKAY.

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